258 lines
8.5 KiB
Makefile
258 lines
8.5 KiB
Makefile
# Makefile for GNU F77 compiler runtime.
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# Copyright (C) 1995-1998 Free Software Foundation, Inc.
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# Contributed by Dave Love (d.love@dl.ac.uk).
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#
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#This file is part of GNU Fortran.
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#
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#GNU Fortran is free software; you can redistribute it and/or modify
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#it under the terms of the GNU General Public License as published by
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#the Free Software Foundation; either version 2, or (at your option)
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#any later version.
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#
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#GNU Fortran is distributed in the hope that it will be useful,
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#but WITHOUT ANY WARRANTY; without even the implied warranty of
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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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#GNU General Public License for more details.
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#
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#You should have received a copy of the GNU General Public License
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#along with GNU Fortran; see the file COPYING. If not, write to
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#the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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#02111-1307, USA.
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SHELL = /bin/sh
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#### Start of system configuration section. ####
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srcdir = @srcdir@
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VPATH = @srcdir@
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prefix = @prefix@
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exec_prefix = @exec_prefix@
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target_alias = @target_alias@
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gcc_version = @gcc_version@
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gcc_version_trigger = @gcc_version_trigger@
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libdir = $(exec_prefix)/lib
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libsubdir = $(libdir)/gcc-lib/$(target_alias)/$(gcc_version)
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# Multilib support variables.
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MULTISRCTOP =
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MULTIBUILDTOP =
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MULTIDIRS =
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MULTISUBDIR =
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MULTIDO = true
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MULTICLEAN = true
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# Not configured per top-level version, since that doesn't get passed
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# down at configure time, but overrridden by the top-level install
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# target.
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INSTALL = @INSTALL@
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INSTALL_PROGRAM = @INSTALL_PROGRAM@
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INSTALL_DATA = @INSTALL_DATA@
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AR = @AR@
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AR_FLAGS = rc
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RANLIB = @RANLIB@
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CC = @CC@
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CFLAGS = @CFLAGS@
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# List of variables to pass to sub-makes.
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# Quote this way so that it can be used to set shell variables too.
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# Currently no use for PICFLAG, RUNTESTFLAGS -- check usage.
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FLAGS_TO_PASS= \
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CC='$(CC)' \
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CFLAGS='$(CFLAGS)' \
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CPPFLAGS='$(CPPFLAGS)' \
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AR='$(AR)' \
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RANLIB='$(RANLIB)' \
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PICFLAG='$(PICFLAG)' \
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RUNTESTFLAGS='$(RUNTESTFLAGS)'
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LIBG2C = libg2c.a
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SUBDIRS = libI77 libF77 libU77
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F2CEXT = abort derf derfc ef1asc ef1cmc erf erfc exit getarg getenv iargc \
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signal system flush ftell fseek access besj0 besj1 besjn besy0 besy1 \
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besyn chdir chmod ctime dbesj0 dbesj1 dbesjn dbesy0 dbesy1 dbesyn \
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dtime etime fdate fgetc fget flush1 fnum fputc fput fstat gerror \
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getcwd getgid getlog getpid getuid gmtime hostnm idate ierrno irand \
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isatty itime kill link lnblnk lstat ltime mclock perror rand rename \
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secnds second sleep srand stat symlnk time ttynam umask unlink \
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vxttim alarm \
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date_y2kbuggy date_y2kbug vxtidt_y2kbuggy vxtidt_y2kbug
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.SUFFIXES:
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# The logic here is partly dictated by the desire to keep the lib?77
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# subdirs for compatibility with the Netlib version and because libU77
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# has a different copyright; then the libe77 bit (EXTERNALly-callable
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# versions) is funny. Given that, as well as keeping things as simple
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# as possible we want (at least) the following:
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# * Allow make to be run at the top level (all-target-libf2c), at this
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# level, or the subdirs of this level. In the latter case we only
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# compile, rather than updating libg2c.a;
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# * A robust set of dependencies, so that we rebuild (as little as
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# possible) if a configuration file, g2c.h or any lib?77/*.c file
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# changes;
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# * Avoid unnecessary running of ar and ranlib;
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# * Expose parallelism where reasonable, but not as a priority.
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# The intended top-level target here does a non-multilib build (via
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# the dependency) and then (perhaps) builds multilibs.
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all: all-unilib
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$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO="all-unilib"
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# `all-unilib' is the overall target in the absence of multilibs,
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# meant to be invoked via multi-do for multilibs.
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# Its dependencies can be satisfied in parallel. The [fiu]77 targets
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# update stamp files (see the subdir makefiles) which the $(LIBG2C)
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# target checks in the sub make to decide whether to run ar/ranlib.
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# (Probably only one stamp file is really needed.) The stamp files
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# s-lib[fiu]77 are intentionally not targets, since we're only meant
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# to come in at the level of this target. The [fiu]77 targets always
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# invoke sub makes to check dependencies in the subdirs, else we'd
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# have to maintain them at this level; we live with the overhead of
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# some recursive makes which may do nothing.
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all-unilib: i77 f77 u77 s-libe77
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$(MAKE) $(FLAGS_TO_PASS) $(LIBG2C)
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i77 f77 u77: g2c.h
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# This target should normally only get invoked via `all-unilib' --
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# after all's well in the subdirs -- actually to assemble the library.
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# The stamp file dependencies are just to check whether libg2c.a is
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# up-to-date (to avoid running ar regardless) -- the files should
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# always have been created by a successful `all-unilib'.
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$(LIBG2C): s-libi77 s-libf77 s-libu77 s-libe77
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rm -f $(LIBG2C)
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set -e; \
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for i in $(SUBDIRS); \
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do (cd $$i && $(MAKE) $(FLAGS_TO_PASS) LIBG2C=../$(LIBG2C) archive); \
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done
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objs=""; for i in $(F2CEXT); do objs="$$objs libE77/L$$i.o"; done; \
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$(AR) $(AR_FLAGS) $(LIBG2C) $$objs
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$(RANLIB) $(LIBG2C)
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i77:
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cd libI77; $(MAKE) $(FLAGS_TO_PASS) all
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f77:
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cd libF77; $(MAKE) $(FLAGS_TO_PASS) all
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u77:
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cd libU77; $(MAKE) $(FLAGS_TO_PASS) all
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s-libe77: f2cext.c
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if [ -d libE77 ]; then rm -f libE77/*.o; else mkdir libE77; fi
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for name in $(F2CEXT); \
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do \
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echo $${name}; \
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$(CC) -c -I. -I$(srcdir) -I../../include $(CPPFLAGS) $(CFLAGS) \
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-DL$${name} $(srcdir)/f2cext.c \
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-o libE77/L$${name}.o; \
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if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
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done
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echo timestamp >s-libe77
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f2cext.c: g2c.h
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${srcdir}/configure: configure.in
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rm -f config.cache
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cd $(srcdir) && autoconf
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# Dependence on Makefile serializes for parallel make.
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g2c.h: g2c.hin config.status Makefile
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# Might try to avoid rebuilding everything if Makefile or configure
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# changes and g2c.h doesn't; see also the Makefile rule. Should
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# depend on another stamp file rather than using the commented-out
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# lines below, since g2c.h isn't necessarily brought up to date.
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# mv g2c.h g2c.x
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$(SHELL) config.status
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# $(srcdir)/../move-if-change g2c.h g2c.x && mv g2c.x g2c.h
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Makefile: Makefile.in config.status
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# Autoconf doc uses `./config.status'. Is there a good reason to use $(SHELL)?
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$(SHELL) config.status
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config.status: configure $(gcc_version_trigger)
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# Make sure we don't pick up a site config file and that configure
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# gets run with correct values of variables such as CC.
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CONFIG_SITE=no-such-file $(FLAGS_TO_PASS) \
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$(SHELL) config.status --recheck
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info install-info clean-info dvi TAGS dist installcheck installdirs:
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check:
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cd libU77; $(MAKE) G77DIR=../../../gcc/ check
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install: all
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$(INSTALL_DATA) $(LIBG2C) $(libsubdir)/$(MULTISUBDIR)/$(LIBG2C).n
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( cd $(libsubdir)/$(MULTISUBDIR) ; $(RANLIB) $(LIBG2C).n )
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mv -f $(libsubdir)/$(MULTISUBDIR)/$(LIBG2C).n $(libsubdir)/$(MULTISUBDIR)/$(LIBG2C)
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$(INSTALL_DATA) g2c.h $(libsubdir)/include/g2c.h
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@if [ -f f2c-install-ok -o -f $(srcdir)/f2c-install-ok ]; then \
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echo ''; \
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echo 'Warning: g77 no longer installs libf2c.a or f2c.h.'; \
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echo ' You must do so yourself. For more information,'; \
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echo ' read "Distributing Binaries" in the g77 docs.'; \
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echo ' (To turn off this warning, delete the file'; \
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echo ' f2c-install-ok in the source or build directory.)'; \
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echo ''; \
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else true; fi
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$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO="$@"
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install-strip:
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$(MAKE) INSTALL_PROGRAM='$(INSTALL_PROGRAM) -s' install
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uninstall:
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rm -f $(libsubdir)/$(MULTISUBDIR)/include/g2c.h $(libsubdir)/$(MULTISUBDIR)/$(LIBG2C)
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$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO="$@"
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mostlyclean:
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rm -f $(LIBG2C)
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$(MAKE) DO=$@ DODIRS="$(SUBDIRS)" $(FLAGS_TO_PASS) subdir_do; \
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$(MULTICLEAN) multi-clean DO=$@
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rm -fr libE77 s-libe77
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clean: mostlyclean
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rm -f config.log
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$(MAKE) DO=$@ DODIRS="$(SUBDIRS)" $(FLAGS_TO_PASS) subdir_do; \
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$(MULTICLEAN) multi-clean DO=$@
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distclean: clean
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rm -f g2c.h s-libe77
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$(MAKE) DO=$@ DODIRS="$(SUBDIRS)" $(FLAGS_TO_PASS) subdir_do; \
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$(MULTICLEAN) multi-clean DO=distclean
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rm -f config.cache config.status Makefile
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maintainer-clean:
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rebuilt: configure
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.PHONY: rebuilt mostlyclean clean distclean maintainer-clean all \
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i77 f77 u77 check uninstall install-strip dist \
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installcheck installdirs all-unilib
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subdir_do:
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@rootpre=`pwd`/; export rootpre; \
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srcrootpre=`cd $(srcdir); pwd`/; export srcrootpre; \
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for i in .. $(DODIRS); do \
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if [ x$$i != x.. ]; then \
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if [ -f ./$$i/Makefile ]; then \
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if (cd ./$$i; $(MAKE) $(FLAGS_TO_PASS) $(DO)); then \
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true; \
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else \
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exit 1; \
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fi; \
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else true; fi; \
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else true; fi; \
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done
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# multidoings may be added here by configure.
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